12122022111 has 16 divisors (see below), whose sum is σ = 16334536704. Its totient is φ = 7995776544.

The previous prime is 12122022109. The next prime is 12122022119. The reversal of 12122022111 is 11122022121.

It is not a de Polignac number, because 12122022111 - 2¹ = 12122022109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122022119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96481 + ... + 183173.

It is an arithmetic number, because the mean of its divisors is an integer number (1020908544).

Almost surely, 2^12122022111 is an apocalyptic number.

12122022111 is a deficient number, since it is larger than the sum of its proper divisors (4212514593).

12122022111 is a wasteful number, since it uses less digits than its factorization.

12122022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87190.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122022111 its reverse (11122022121), we get a palindrome (23244044232).

The spelling of 12122022111 in words is "twelve billion, one hundred twenty-two million, twenty-two thousand, one hundred eleven".